Extending from the Placenta on the Mother's Uterine Wall to the Embryo's

question 516

Multiple Choice

Extending from the placenta on the mother's uterine wall to the embryo's abdominal area, the _____ delivers nourishment, oxygen, and water, and carries away carbon dioxide and other wastes.

• A) umbilical cord
• B) amniotic sac
• C) embryo
• D) teratogen

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Definitions:

Arsenic Ions

Ions that contain arsenic in different oxidation states, often toxic and present in various environmental and industrial contexts.

Orpiment

A natural mineral composed of arsenic sulfide (As2S3), historically used as a pigment and with various industrial and medicinal applications.

Soluble Sulfide

A compound containing the sulfide ion that is soluble in water, often producing hydrogen sulfide gas upon contact with acid.

Arsenic

A toxic metalloid element with the symbol As and atomic number 33, known for its various allotropes and compounds.